Fig. 3From: Potential antiviral peptides targeting the SARS-CoV-2 spike proteinValidation of PEP 49 model’s tertiary structure. A More than 97% of the amino acids in the final peptide are in the permitted regions as seen in the Ramachandran plot. B ProSA-web plot of the peptide, which results in a Z-score of − 2.68Back to article page